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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_layers_ShadowLayerUtilsX11_h
#define mozilla_layers_ShadowLayerUtilsX11_h
#include "ipc/IPCMessageUtils.h"
#include "mozilla/GfxMessageUtils.h"
#include "nsCOMPtr.h" // for already_AddRefed
#define MOZ_HAVE_SURFACEDESCRIPTORX11
#define MOZ_HAVE_PLATFORM_SPECIFIC_LAYER_BUFFERS
typedef unsigned long XID;
typedef XID Drawable;
class gfxXlibSurface;
namespace IPC {
class Message;
}
namespace mozilla {
namespace layers {
struct SurfaceDescriptorX11 {
SurfaceDescriptorX11()
{ }
explicit SurfaceDescriptorX11(gfxXlibSurface* aSurf, bool aForwardGLX = false);
SurfaceDescriptorX11(Drawable aDrawable, XID aFormatID,
const gfx::IntSize& aSize);
// Default copy ctor and operator= are OK
bool operator==(const SurfaceDescriptorX11& aOther) const {
// Define == as two descriptors having the same XID for now,
// ignoring size and render format. If the two indeed refer to
// the same valid XID, then size/format are "actually" the same
// anyway, regardless of the values of the fields in
// SurfaceDescriptorX11.
return mId == aOther.mId;
}
already_AddRefed<gfxXlibSurface> OpenForeign() const;
MOZ_INIT_OUTSIDE_CTOR Drawable mId;
MOZ_INIT_OUTSIDE_CTOR XID mFormat; // either a PictFormat or VisualID
MOZ_INIT_OUTSIDE_CTOR gfx::IntSize mSize;
MOZ_INIT_OUTSIDE_CTOR Drawable mGLXPixmap; // used to prevent multiple bindings to the same GLXPixmap in-process
};
} // namespace layers
} // namespace mozilla
namespace IPC {
template <>
struct ParamTraits<mozilla::layers::SurfaceDescriptorX11> {
typedef mozilla::layers::SurfaceDescriptorX11 paramType;
static void Write(Message* aMsg, const paramType& aParam) {
WriteParam(aMsg, aParam.mId);
WriteParam(aMsg, aParam.mSize);
WriteParam(aMsg, aParam.mFormat);
WriteParam(aMsg, aParam.mGLXPixmap);
}
static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult) {
return (ReadParam(aMsg, aIter, &aResult->mId) &&
ReadParam(aMsg, aIter, &aResult->mSize) &&
ReadParam(aMsg, aIter, &aResult->mFormat) &&
ReadParam(aMsg, aIter, &aResult->mGLXPixmap)
);
}
};
} // namespace IPC
#endif // mozilla_layers_ShadowLayerUtilsX11_h
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